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Finding the Fourth Proportional to 126,425.91, 174,452.88 and 69,833.91

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Solution

The fourth proportional to 126,425.91, 174,452.88 and 69,833.91 is: 96,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,425.91 : 174,452.88 = 69,833.91 : x
  2. Step 2: Convert to fraction form
    126,425.91/174,452.88 = 69,833.91/x
  3. Step 3: Cross multiply
    126,425.91x = 174,452.88 × 69,833.91
  4. Step 4: Simplify right side
    126,425.91x = 12,182,726,721.16
  5. Step 5: Solve for x
    x = 12,182,726,721.16/126,425.91
  6. Step 6: Final answer
    x = 96,362.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.